Lg Display Co., Ltd.

Yonsei University

Industry-University Cooperation Foundation Hanyang University

Seoul National University

Korea University Research and Business Foundation

Snu Rdb Foundation

Kiseok Chang

Jihwan Jung

Sungpil Ryu

Jeong Min Moon

Su Seok Choi

Byong Deok Choi

Yong Duck Kim

Soon Shin Jung

Yong Sang Yoo

SoonShin Jung

Moonbong Song

Jeongmin Moon

WookSung Kim

Jin-Woo Park

Hyun Jae Kim

Sung-Eun Kim

Young-Joo Kim

Joon-Hyuk Chang

Hoon Bae Kim

Kwanghwan Ji

Byungwook Min

HanSaem Kang

HyeEun Lee

Young Jun Tak

Hyojung Park

Hyo-jun Kim

JeongMin Moon

Kwang Seob Jeong

JaeMin Myoung

WooYoung Shim

Junghoon Seo

Moon Bong Song

Kipyo Hong

Jusung Chung

SungJun Cho

Jeong Yun Sun

GwangMook Kim

HyoYong Ahn

Yunchang Choi

Kwan-Ho Park

Seunghyuck Lee

Jia Lee

Sung-Hwan Hwang

Dahl-Young Khang

Sung-Soo Yoon

Changjin Lim

Soyeon Lee

Hyesung Cho

Do Yoon Kim

KiTae Nam

The present invention relates to an optical element capable of simultaneously outputting sound from the surface of a display device with an image, the optical element comprising: a first electrode member; a first dielectric elastomer layer disposed on the first electrode member; a second electrode member disposed on the first dielectric elastomer layer; and an optical crystal layer disposed on the second electrode member. Accordingly, in the present invention, image and sound are implemented simultaneously, and thus, it is possible to prevent defects due to mismatching of the image and the sound, and a separate sound system is not required when the display device is manufactured using the optical element, thereby making it possible to reduce components of an electronic product including the display device and reduce the manufacturing cost.

Optical element with sound function and display device using same

A wearable photoluminescence sensor, which is portable and has improved sensitivity and accuracy, and a remote sensing apparatus comprising same, the disclosed wearable photoluminescence sensor includes a reflective support and a semipermeable filter disposed over and under translucent photodiodes, thus allows light of a second wavelength band, having the photoluminescence properties of getting lost or passing through, to be reflected again and thus maximally utilized, and thereby allows sensitivity and accuracy to be improved.

Wearable photoluminescence sensor and remote sensing apparatus comprising same

A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.

Transportation head for microchip transfer device, microchip transfer device having same, and transfer method thereby

The present invention relates to a display apparatus that allows a compensated data voltage to be supplied to each pixel by compensating for the data voltage so as to prevent burn-in from occurring in a display panel, a method for compensating a data signal thereof, and a method for generating a deep learning-based compensation model. To implement same, the present invention provides the display apparatus comprising a timing controller having mounted therein the compensation model generated by learning, in a deep learning method, the temperature, time, average brightness, and data voltage for each pixel. Accordingly, the present invention has an effect of preventing burn-in from occurring in each pixel by supplying each pixel with the compensated data voltage generated via the compensation model.

Display apparatus, method for compensating for data signal thereof, and method for generating deep learning-based compensation model

Disclosed are a pixel circuit comprising an optical fingerprint sensing circuit, a method of driving a pixel circuit comprising an optical fingerprint sensing circuit, and a display device comprising a pixel circuit comprising an optical fingerprint sensing circuit. According to the present disclosure, the pixel circuit comprising an optical fingerprint sensing circuit comprises a pixel control circuit, the pixel control circuit comprising: a first photodetector which receives a light and generates a first signal; a second photodetector which receives a light and generates a second signal; and a self-illuminator which receives differential signals of the first signal and second signal and outputs an output signal, includes at least one transistor component and at least one capacitor component, and outputs a light on the basis of a data signal.

Pixel circuit comprising optical fingerprint sensing circuit, method for driving pixel circuit, and organic light-emitting display device

The present disclosure relates to a pixel circuit including an optical fingerprint sensing circuit, a method for driving a pixel circuit including the optical fingerprint sensing circuit, and a display device including the pixel circuit including the optical fingerprint sensing circuit. The pixel circuit includes: a self-light emitting element which displays images by a driving current controlled by a driving transistor; and a light-receiving element which receives light emitted from the self-light emitting element and reflected through a fingerprint of a user and converts it into a photocurrent. The driving transistor functions as a buffer which transmits an output voltage of the light-receiving element to an output line of the pixel circuit.

Pixel circuit including optical fingerprint sensing circuit, method for driving pixel circuit, and organic light emitting display device

The present disclosure related to an optical fingerprint identification display and a driving method thereof. In the optical fingerprint identification display and the driving method thereof, the fingerprint identification display includes: a display panel and a processor. The display panel includes a plurality of pixels arranged in a two-dimensional matrix. The pixel includes: at least one subpixel which emits light on the basis of a first signal received from the processor; and an optical sensor which receives the light emitted from the subpixel and is reflected from a fingerprint and generates a second signal. The processor determines a touch region on the display panel, and transmits the first signal to one or more pixels included in the touch region, and identifies the fingerprint of the user on the basis of the second signal received from the pixel.

Optical-type fingerprint recognition display and operation method thereof

An organic light emitting diode (OLED) display device includes a thin film transistor substrate including a first substrate, a thin film transistor disposed on the first substrate and a white organic light emitting diode (WOLED) electrically connected to the thin film transistor; a color filter substrate comprising a second substrate that faces the first substrate, and red, green and blue color filters disposed on the second substrate; a quantum dot pattern disposed on the WOLED of the thin film transistor substrate; and a refractive film disposed between the color filter substrate and the thin film transistor substrate provided with the quantum dot pattern.

Organic light emitting diode (OLED) display device

A phase shifter includes a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip.

Phase shifter comprising DGS and radio communication module comprising same

The present disclosure provides a phototransistor and a manufacturing method therefor, the phototransistor having a defective oxide ray absorption layer introduced to an oxide semiconductor phototransistor through a solution process or a defective oxide ray absorption part introduced to an interface between a gate insulation film and an oxide semiconductor layer through interface control, which forms damage, thereby improving light absorption in the range of a visible light region.

Oxide semiconductor phototransistor improved in visible light absorption rate and manufacturing method thereof

The present disclosure relates to a method for manufacturing a metal nanostructure having a chiral structure. The method for manufacturing a metal nanostructure comprises: preparing a first mixture solution by mixing a metal precursor, a surfactant, and a reducing agent; preparing a second mixture solution by adding a peptide to the first mixture solution; and preparing a metal nanostructure having a chiral structure by adding a metal seed particle to the second mixture solution.

Method for manufacturing a metal nanostructure having a chiral structure comprising regioselectivity adsorbing a peptide on the surface of a metal seed particle

Provided is a method of manufacturing gallium nitride quantum dots. The method includes the steps of: preparing a gallium precursor solution by heating a mixture prepared by dissolving a gallium halide and an organic ligand in a solvent; heating the gallium precursor solution to obtain a heated gallium precursor solution; hot-injecting a nitrogen precursor into the heated gallium precursor solution at a heating temperature to produce gallium nitride; growing the gallium nitride while maintaining the heating temperature, thereby producing a growth-completed gallium nitride; and cooling a solution including the growth-completed gallium nitride to produce gallium nitride quantum dots in a colloid state.

Method of manufacturing gallium nitride quantum dots

The present disclosure relates to a contact sensitive device and a contact sensitive device according to an exemplary embodiment of the present disclosure includes a base film, a first electrode, a second electrode, a third electrode, and a thermochromic layer. A protruding pattern is disposed on the base film. The first electrode and the second electrode are disposed on the base film and are spaced apart from each other with the protruding pattern therebetween. The third electrode is in contact with the protruding pattern. The thermochromic layer is disposed on the third electrode.

Contact sensitive device

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Paju-si, South Korea

Kiseok Chang